Hutagaol, F. O. and P. Prayitno, I. S. (2020) “Perkembangan Ritual Adat Mangongkal Holi Batak Toba dalam Kekristenan di Tanah Batak”, Anthropos: Jurnal Antropologi Sosial dan Budaya (Journal of Social and Cultural Anthropology), 6(1), pp. 84–92. doi: 10.24114/antro.v6i1.16822.